CCNA Voice Bible (640-460) – IP Phone Implementation

Ensurepass Question 1 In which of the following scenarios would a Cisco switch supply PoE to an IP phone? A. In any cases as long as the switch and IP phone are Cisco products. B. If the Cisco switch supports prestandard PoE and the IP phone supports 802.3af. C. If the Cisco switch and IP phone both support a common PoE method. D. Only if both the switch and IP phone use 802.3af PoE. Answer: C Question 2 Refer to the exhibit. What does the parameter Overlay on button number 2 mean? A. Read more [...]

CCNA Voice Bible (640-460) – Cisco UC500 Series & CCA

Ensurepass Question 1 Benson’s Able Messenger Service wants to install a new UC500 solution. Which four of these provide information from the existing numbering plan that helps you design an effective VoIP dial plan? (Choose four) A. Station number B. Subscriber code C. Direct inward dial ranges D. Length of internal number extensions E. Number of digits forwarded by the local CO F. Cisco Unified Communications Manager route pattern used for internal calls Answer: A C D E Question Read more [...]

CCNA Voice Bible (640-460) – Traditional Telephony

Ensurepass Question 1 What are two benefits of using an ITSP for long distance telephony services? (Choose two) A. Connection to an ITSP is very granular and can provision from 1 to hundreds of simultaneous calls. B. Connection to an ITSP is only available in full T1/E1/PRI circuit quantities. C. The circuits are dedicated only to voice. D. Connection to an ITSP is easier to configure because transcoders can seamlessly convert H.323 or SIP to SCCP. E. Connection to an ITSP allows you Read more [...]

CCNA Voice Bible (640-460) – Voice VLAN

Ensurepass Question 1 What is the difference between voice VLAN and native VLAN? A. Voice VLAN uses tagged 802.1Q frames whereas native VLAN uses 802.1P frames. B. Voice VLAN uses untagged frames whereas native VLAN uses 802.1Q frames. C. Voice VLAN uses tagged 802.1Q frames whereas native VLAN uses untagged frames. D. Voice VLAN uses untagged frames only when no PCs are connected behind the phones whereas native VLAN always uses untagged frames. Answer: C Question 2 Which protocol Read more [...]

CCNA Voice Bible (640-460) – Other Questions

Ensurepass Question 1 A SIP Trunk is a logical connection between an IP PBX and a Service Provider’s application servers that allows voice over IP traffic to be exchanged between the two. When a call is placed from an internal phone to an external number, the PBX sends the necessary information to the SIP Trunk provider who establishes the call to the dialed number and acts as an intermediary for the call. All signaling and voice traffic between the PBX and the provider is exchanged using SIP and Read more [...]

CCNA Voice Bible (640-460) – Cisco Unified Communications

Ensurepass Question 1 Which value does an administrator assign to option 150 for DHCP to operate correctly in a Cisco Unified Communications Manager Express environment? A. IP address of the DNS server B. IP address of the TFTP server C. MAC address of the TFTP server D. MAC address of the DHCP server E. MAC address of the Cisco Unified Communications Manager Express router F. IP address of the PC on which the Cisco Unity Express module is installed Answer: B Question 2 Refer to Read more [...]

CCNA Voice Bible (640-460) – Voice Fundamentals

Ensurepass Question 1 Which is the best description of time-division multiplexing? A. A channel is assigned an exclusive slice of the overall frequency of the circuit for the entire time of its operation. B. All sources get an interleaved slice of time, which offers the entire frequency range allocated for that timeslot. C. Individual source signals are combined into a composite signal, which allows a capacity equal to or greater than the sum of the component signals. D. Technology that Read more [...]

CCNA Voice Bible (640-460) – EPhone

Ensurepass Question 1 Refer to the exhibit. UCME#show ephone ephone-1 Mac:0000.94C2.8A44 TCP socket:[2] activeLine:0 REGISTERED in SCCP ver 1 1 and Server in ver 8 mediaActive:0 offhook:0 ringing:0 reset:0 reset_sent:0 paging 0 debug:0 caps:8 IP:10.3.130.10 50374 Telecaster 7960 keepalive 4 max_line 6 button 1: dn 1 number 5001 CH1    IDLE    CH2    IDLE    mwi button 2: dn 3 number 5010 CH1    Read more [...]

CCNA Voice Bible (640-460) – Voice Over IP

Ensurepass Question 1 Which type of delay can lead to jitter in a voice network? A. Propagation delay B. Serialization delay C. CODEC delay D. Queuing delay Answer: D Question 2 IP phone A places a call to IP phone B. How many RTP streams are required for the call to be successfully completed? A. 1 B. 2 C. 4 D. 6 Answer: B Explanation: Notice that RTP streams are one-way. If you are having a two-way conversation, the devices will establish dual RTP streams, one in each direction Question Read more [...]

CCNA Voice Bible (640-460) – Drag and Drop Questions

Ensurepass Question 1 Click and drag the protocol on the left to the matching characteristic on the right. Not all options will be used. Answer: Peer-to-Peer: + SIP + H.323 Client/Server: + SCCP + MGCP Question 2 The Adams Group has offices in Londons and Chicagos. Drag the CAS component on the left to the office that it will apply to on the left. Answer: London, United Kingdom: + CAS E1 + 2.048 Mbps + 30 voice channels + out-of-ban signaling in timeslot 17 Chicago, United Read more [...]